diff --git a/gestion/mail-all.py b/gestion/mail-all.py
index d5c8fdea..8e27448a 100644
--- a/gestion/mail-all.py
+++ b/gestion/mail-all.py
@@ -48,7 +48,7 @@ par le script.
     cprint(u"%d adhérent(s) a/ont été trouvé(s)..." % len(adherents))
     time.sleep(3)                       # On dort un peu, ctrl-c welcome
 
-    opt = commands.getoutput("postconf smtpd_client_message_rate_limit")
+    opt = commands.getoutput("/usr/sbin/postconf smtpd_client_message_rate_limit")
     limit = int(opt.split()[-1])
     if limit > 0 and len(adherents) >= 10:
         limit_risen = True